221102201001 has 8 divisors (see below), whose sum is σ = 321603201504. Its totient is φ = 134001333920.

The previous prime is 221102200967. The next prime is 221102201009. The reversal of 221102201001 is 100102201122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221102201001 - 2¹⁰ = 221102199977 is a prime.

It is a super-4 number, since 4×221102201001⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (221102201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350033316 + ... + 3350033381.

It is an arithmetic number, because the mean of its divisors is an integer number (40200400188).

Almost surely, 2^221102201001 is an apocalyptic number.

It is an amenable number.

221102201001 is a deficient number, since it is larger than the sum of its proper divisors (100501000503).

221102201001 is a wasteful number, since it uses less digits than its factorization.

221102201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700066711.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221102201001 its reverse (100102201122), we get a palindrome (321204402123).

The spelling of 221102201001 in words is "two hundred twenty-one billion, one hundred two million, two hundred one thousand, one".